Static code analysis and corrections

utils/venv/lib/python3.6/site-packages/matplotlib/tests/test_basic.py

@@ -0,0 +1,36 @@
+import builtins
+
+import matplotlib
+
+
+def test_simple():
+    assert 1 + 1 == 2
+
+
+def test_override_builtins():
+    import pylab
+
+    ok_to_override = {
+        '__name__',
+        '__doc__',
+        '__package__',
+        '__loader__',
+        '__spec__',
+        'any',
+        'all',
+        'sum',
+        'divmod'
+    }
+    overridden = False
+    for key in dir(pylab):
+        if key in dir(builtins):
+            if (getattr(pylab, key) != getattr(builtins, key) and
+                    key not in ok_to_override):
+                print("'%s' was overridden in globals()." % key)
+                overridden = True
+
+    assert not overridden
+
+
+def test_verbose():
+    assert isinstance(matplotlib.verbose, matplotlib.Verbose)